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Oil Pump: Disassembly

  1. Remove pump cover and mark gear teeth so they may be reassembled with same teeth indexing. Remove idler gear, drive gear and shaft from pump body. Remove pressure regulator valve retaining pin, valve and related parts. See Fig 1.
    Fig 1: Exploded View of Oil Pump Assembly
    G73489
  2. If replacement is necessary, mount pump in soft-jawed vise and pull pick-up screen and pipe assembly from pump body. DO NOT disturb pick-up screen on pipe. This is serviced as an assembly.
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